Mark Identification

MODSYS PLUS

Serial Number

74023498

Filing Date

Jan 29, 1990

Trademark by

SIERRA GEOPHYSICS INC.

Classification Information

prerecorded computer programs for use in geophysical and geological exploration and data analysis

Electrical and Scientific Apparatus

user manuals for use with computer programs for use in geophysical and geological exploration and data analysis

Paper Goods and Printed Matter